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Topic: Peter Debye


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In the News (Sun 29 Nov 09)

  
 Peter Debye Biography | World of Scientific Discovery
Peter Debye is perhaps best known for his contribution to the theory of electrolytic dissociation, the Debye-Hückel theory, announced in 1923.
Petrus Josephus Wilhelmus Debije, was born on March 28, 1884 in Maastrict, the Netherlands to and Joannes Wilhelmus Debije, a foreman at a metalware manufacturer, and the former Maria Anna Barbara Ruemkens.
During his year there, Debye studied the dipole moment of molecules, that is, its tendency to rotate in an external magnetic field, a property that is a function of the distribution of electric charge in (the polarity of) the molecule.
www.bookrags.com /biography/peter-debye-wsd   (938 words)

  
 Peter Debye   (Site not responding. Last check: 2007-10-08)
Peter "Pie" Debye was born in Maastricht and after attending local schools in went to the University of Aachen Germany only 30 km from Maastricht in 1901.
This was followed by moves to Utrecht in 1912 Göttingen in 1913 back to Zürich in 1920 to Leipzig in 1927 and to Berlin in 1934 where he became director of the Wilhelm Institute saw to the construction of laboratories and developed it into the now-world-regarded Max Planck Institute in 1938.
In 1936 Debye was awarded the Nobel Prize in Chemistry "for his contributions to the study molecular structure " primarily referring to his on dipole moments and X-ray diffraction.
www.freeglossary.com /Peter_Debye   (1005 words)

  
 Peter Debye Biography | World of Chemistry
Debye was also awarded the 1936 Nobel Prize in chemistry for this research, although he is perhaps best known for his contribution to the theory of electrolytic dissociation, the Debye-Hückel theory, announced in 1923.
Debye was born Petrus Josephus Wilhelmus Debije on March 28, 1884, in Maastrict, the Netherlands.
The dipole moment of a molecule is its tendency to rotate in an external magnetic field, a property that is a function of the distribution of electric charge in (the polarity of) the molecule.
www.bookrags.com /biography/peter-debye-woc   (1270 words)

  
 Peter Debye (via CobWeb/3.1 planet03.csc.ncsu.edu)   (Site not responding. Last check: 2007-10-08)
This was followed by moves to Utrecht in 1912, Göttingen in 1913, back to Zürich in 1920, to Leipzig in 1927, and to Berlin in 1934, where he became director of the Kaiser Wilhelm Institute, saw to the construction of new laboratories, and developed it into the now-world-regarded Max Planck Institute in 1938.
Debye did not want to do so, and since he had been offered a chance to give a series of lectures at Cornell University in Ithaca, New York, traveled to the United States of America.
In plasma physics, the phenomenon of Debye shielding, where a plasma shields out an electro-static field, and the Debye length, the characteristic extent of this shielding, are named after him.
peter-debye.iqnaut.net.cob-web.org:8888   (736 words)

  
 Peter Debye - Wikipedia, the free encyclopedia
Debye shielding - In plasma physics, the process by which a plasma "shields" an electric charge by redistributing charged particles of the plasma around it.
Debye relaxation - The dielectric relaxation response of an ideal, noninteracting population of dipoles to an alternating external electric field.
Debye function - A function used in the calculation of heat capacity.
en.wikipedia.org /wiki/Peter_Debye   (2151 words)

  
 C&EN: SCIENCE & TECHNOLOGY - AN ELECTRIC MOMENT
Debye's formula includes the polarizability of the molecule, its permanent electric moment, the dielectric constant, and the energy of thermal agitation.
"Debye's original theory is still used today to determine dipole moments of molecules dissolved in nonpolar solvents by measuring the dielectric constant of the solution," says John F. Kauffman, a chemistry professor at the University of Missouri, Columbia.
Debye's theory predicted a "ferroelectric Curie point," a temperature below which the molecule would be in a stable state of permanent electric polarization, much like the permanent magnetic polarization of iron.
pubs.acs.org /cen/science/8146/8146jacs125.html   (866 words)

  
 Debye   (Site not responding. Last check: 2007-10-08)
Peter Debye (born Petrus Josephus Wilhelmus Debije) was born in Maastricht, Holland, on March 24, 1884, son of Wilhelmus and Maria Reumkens Dibje.
From 1934 to 1939 Debye was director of the prestigious Max Planck Institute in Berlin.
His son Peter P. Debye, interviewed in 2006 at age 89 (interview given to Gooi and Eemlander newspaper (Dutch language) February 2, 2006) recollects that his father was completely a-political and that in the privacy of their home politics were never discussed.
chem.ch.huji.ac.il /~eugeniik/history/debye.html   (2530 words)

  
 Petrus (Peter) Josephus Wilhelmus Debye
Petrus (Peter) Josephus Wilhelmus Debye was born March 24, 1884, at Maastricht, the Netherlands.
Debye won Nobel Prize in Chemistry, 1936, "for his contributions to our knowledge of molecular structure through his investigations on dipole moments and on the diffraction of X-rays and electrons in gases".
Debye returned to Zurich in 1920, as Professor of Physics, and Principal of the Eidgenössische Technische Hochschule.
www.corrosion-doctors.org /Biographies/DebyeBio.htm   (500 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
Peter Debye was born in 1884 in Maastricht, the Netherlands.
He received the Nobel Prize in Chemistry, 1936, when he was working in the University of Berlin and Kaiser Wilhelm Institute for Physics, Berlin-Dahlem for his contributions to the knowledge of molecular structure through his investigations on dipole moments and on the diffraction of X-rays and electrons in gases.
At this time Professor Debye became director of the Department for Mathematical Physics of the Physics Institute of the University of Göttingen till 1921.
www.math.uni-goettingen.de /exchange/newsletter/2004-02/Debye.html   (223 words)

  
 Besluit Cornell University
Given the close relationship that Debye had with our Department, and his extraordinary contributions to the science of chemistry, we felt that it was our duty and responsibility to investigate and respond to this situation.
In addition, Debye’s work on polymers used in dielectrics for radar and on synthetic rubber, which was key in the U.S. war effort, and which he undertook very soon after entering this country, is well documented.
While Debye was late to leave Germany, he nevertheless, did leave causing considerable difficulties for his family and once in the U.S., he made significant contributions to the war effort.
home.hetnet.nl /~alchemilab/alchemie/DebyeCornell.htm   (912 words)

  
 Iran, EU move closer to nuclear agreement | The San Diego Union-Tribune
Utrecht University, where Debye was a professor of theoretical physics in 1912, said it decided to change the name of the university's Debye Institute for physics and chemistry after learning of Debye's actions against German Jews.
The University of Maastricht, in the town where Debye was born in 1884, said it has severed ties to an international prize named for Debye, which is awarded by an independent foundation for original research in chemistry or physics.
Debye moved to the United States in 1940 and died in 1966.
www.signonsandiego.com /uniontrib/20060304/news_1n4world.html   (535 words)

  
 The Endless Frontier » Blog Archive » Finally: The Dalibor Sames Retractions
Cornell’s Department of Chemistry and Biological Chemistry just finsihed its investigation of Peter Debye and concluded, based on all the evidence it had accumulated, that Debye clearly was not a Nazi sympathizer, was not a Nazi collaborator and was not an anti-Semite.
Peter Debye insisted that the new Kaiser Wilhelm Institute for Physics be named in honor of the anti-Nazi, Max Planck and inscribed the name at the building entrance.
In any case, Peter Debye was, in my opinion, the greatest physical chemist of the 20th century, as opposed to yet another organic synthetic methods pot boiler.
www.paulbracher.com /blog/?p=58   (3103 words)

  
 Chemical & Engineering News: Latest News - Nobel Laureate Is Accused Of Nazi Collaboration
Documentary evidence that chemistry Nobel Laureate Peter J. Debye may have been a Nazi collaborator in Berlin in the 1930s has led a university in the Netherlands to remove his name from its Debye Institute of Physics and Chemistry of Nanomaterials and Interfaces.
Evidence in the book, he says, includes a letter that Debye signed in 1938 in which he orders, in the name of the German authorities, Jewish coworkers of the German Physical Society in Berlin to leave the organization.
Debye, who died in 1966, won the Nobel Prize in Chemistry in 1936 for his contributions to the study of molecular structure, primarily his work on dipole moments and X-ray diffraction.
pubs.acs.org /cen/news/84/i10/8410Debye.html   (705 words)

  
 Debye
Debye, Peter J.; Jacobsen, Robert T. Direct visual observation of concentration fluctuations in a critical mixture.
Debye, Peter J.; Gravatt, Claude C. Behavior of nonionic detergents in nonpolar solvents.
Debye, P. Spectral width of the critical opalescence due to concentrated fluctuations.
www.chem.cornell.edu /history/faculty/Debye.htm   (911 words)

  
 Debye Award for Tom Mitchell
The funds for the Peter Debye-prize are provided by the Edmond Hustinx Foundation in Maastricht.
The prize is named after the physicist Peter J.W. Debye (1884-1966), a native of Maastricht, who was awarded the Nobel Prize for chemistry in 1936.
The contribution is rooted in one of the exact disciplines of Computer Science (a prerequisite) and is supposed to have a wider and interdisciplinary impact (also a prerequisite).
www.cs.unimaas.nl /~postma/MLDay/BNVKIannouncement.htm   (334 words)

  
 Debye Peter J W Peter Josef William 1884 Oral history interview with Peter J. W. Debye, 1965 December 22 to 16 June ...
Debye Peter J W Peter Josef William 1884 Oral history interview with Peter J. Debye, 1965 December 22 to 16 June 1966.
Oral history interview with Peter J. Debye, 1965 December 22 to 16 June 1966.
Brief account of Debye's childhood and early education at Maastricht, Holland; his studies in electrical engineering at Aachen Technische Hochschule, where he met Arnold Sommerfeld.
www.aip.org /history/catalog/icos/6952.html   (297 words)

  
 Debye series
In 1908, Peter Debye solved the problem of electromagnetic scattering from a cylinder and his method can also be adapted to scattering from a sphere.
The Debye series is equivalent to the Mie series, but the Debye series has the great advantage that it can be used to isolate the contributions made by rays of order p - as shown in Fig.
The primary and secondary rainbows due to the p = 2 and p = 3 contributions respectively are clearly separated for r = 100 µm, whereas they overlap for r = 10 µm.
www.philiplaven.com /p2-1.html   (502 words)

  
 Urbana researcher receives national award
Chemist Peter G. Wolynes of Urbana, Ill., will be honored on March 28 by the world's largest scientific society for explaining how glass -- a kind of "frozen" liquid -- keeps its shape, and applying that insight to help explain the functional shapes of proteins.
He will receive the Peter Debye Award in Physical Chemistry from the American Chemical Society at its national meeting in San Francisco.
The Peter Debye Award in Physical Chemistry is sponsored by E.I. du Pont de Nemours and Co. of Wilmington, Del.
www.eurekalert.org /pub_releases/2000-03/ACS-Urrn-2103100.php   (414 words)

  
 Conventional Fusion FAQ Glossary Part 4/26 (D)
Debye, Peter Joseph: Physical chemist, studied behavior of conductive solutions (plasmas have some similar behaviors).
Its characteristic thickness is the Debye length, and it is caused by Debye shielding of the negative surface charge resulting from electrons flowing to the surface much faster (initially) than the ions.
The net result is an additional negative (positive) charge density which cancels the effect of the initial charge at distances large compared to the Debye length.
www.faqs.org /faqs/fusion-faq/glossary/d   (1854 words)

  
 israelinsider: Briefs: Universities strip Nobel laureate's name from honors after discovery of Nazi links   (Site not responding. Last check: 2007-10-08)
The book reproduced a 1938 note by Debye, then director of the prestigious Max Planck Institute in Berlin, instructing Jewish members of the institute to quit.
Koks said not everyone agreed Debye should be disgraced without more definite information, and historians needed to do more research on the scientist's background.
Nazi Germany invited Debye to return in 1941 but he remained at Cornell University in New York and became a U.S. citizen in 1946.
web.israelinsider.com /Articles/Briefs/7956.htm   (657 words)

  
 Debye explains the mechanism of van der Waals forces
Debye explains the mechanism of van der Waals forces
As is well known the great success of van der Waals' equation of state is based essentially on the assumption of attractive forces between the molecules.
Similarly the molecules are subject to forces which tend to bring the particles nearer together and thus bring them into as strong a field as possible.
dbhs.wvusd.k12.ca.us /webdocs/Chem-History/Debye-1920/Debye-1920.html   (882 words)

  
 Peter Debye - Biography
This appointment terminated his work in Europe, and in 1940 he became Professor of Chemistry and Principal of the Chemistry Department of Cornell University, Ithaca, New York, taking American citizenship in 1946.
The year 1936 saw the award of the greatest honour possible to him - the Nobel Prize for Chemistry.
Professor Debye is married to Mathilde Alberer and has a son Peter Paul Rupprecht (b.
nobelprize.org /nobel_prizes/chemistry/laureates/1936/debye-bio.html   (408 words)

  
 Peter Joseph ( - ) Artwork Images, Exhibitions, Reviews
Peter Wtewael - The Denial of Peter 1620's oil on wood Cleveland Museum of Art Dutch
Peter Paul Rubens, The Tribute Money, after the painting by Peter Paul Rubens now in the Fine Arts Museums of San Francisco, 17th century
Gerard David - Saint Peter and a Donor c.
www.wwar.com /masters/j/joseph-peter.html   (1858 words)

  
 untitled
Peter Debye has left his mark on the science of physical chemistry like no other scientist since J. Willard Gibbs.
Among the areas pioneered by Debye and covered in this collection are X-Ray Scattering, Dipole Moments, Electrolyte Theory, and Light Scattering.
Debye was awarded the 1936 Nobel Prize for Chemistry.
oxbowpress.tripod.com /PhysicsandPhysicalChemistry.htm   (449 words)

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